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Welded Bulk Storage Silos, Bins & Hoppers

Silos, BIns & Hoppers, Various Configurations

TIW designs, engineers, fabricates and constructs durable, high quality welded bulk storage silos, bins and hoppers for a number of industries such as wastewater treatment, cement, chemical, mining and aggregate industries. Our Silos are designed for storing large volumes and are cylindrical in shape, typically with a cone or mass-flow bottom.

Summary

Preview

Self-Supporting Umbrella / Dome

Typically constructed at grade level, then hoisted by crane to position.

The dome and umbrella are similar. The dome roof is formed with a spherical surface supported at its periphery, whereas the umbrella is a modified dome, where the horizontal section is a regular polygon with multiple sides with roof plates, supported only at the periphery.

Highlights

The bulk of the roof work can take place at grade

These roofs are typically lightweight and can be hoisted to position by crane

Summary

Preview

Self-Supporting Umbrella / Dome (Stiffened)

Typically constructed at grade level, then hoisted by crane to position. Internal or external stiffening is typically used to support additional roof loads, such as platforms, structures or heavy machinery but also allow for larger diameter designs.

The dome and umbrella are similar. The dome roof is formed with a spherical surface supported at its periphery, whereas the umbrella is a modified dome, where the horizontal section is a regular polygon with multiple sides with roof plates, supported only at the periphery.

Highlights

The bulk of the roof work can take place at grade

These roofs are typically lightweight and can be hoisted to position by crane

TIW can provide the design, fabrication and field construction of all ladders, stairways and platforms, providing a single source of procurement for your silo

Design Specifics

TIW brings more than a century of experience in design, fabrication and construction of silos in many configurations and sizes for various environments to every project. We’ve continually improved our design and construction process to produce a safer, longer lasting and more durable product. Specific design considerations include:

Considerations

Allowable external Loads on tank shell openings

Internal & external Pressures

Environmental loads (wind, seismic, snow, importance factors)

Foundation design

Design based on silos operating at elevated temperatures

Requirements

Product conditions

Maximum capacity

Materials of Construction

Carbon steel, stainless steel or duplex steel

Corrosion Protection

Linings, coatings, wallpapering

Cathodic protection

Access Systems

Radial or spiral stairways

Roof access systems

Heat Conservation

Various insulation products

A Track Record of Success

In the Mining, Minerals & Metals, Pulp, Paper and Forestry, and Alternative Renewable Fuels industries, your bulk storage equipment is critical to the efficiency of your operations, and must withstand harsh conditions and punishment in the field.

As Canada’s premier tank builder, TIW has established itself as a dependable partner for high quality construction of welded bulk Silos, Bins and Hoppers.

With more than 100 years in the industry, we understand how important it is to have the appropriate storage for your application. That’s why we work with you to review your specific requirements, performing a thorough assessment of the type and amount of bulk material you’ll be handling, then designing and building the optimal storage vessel that will last.

Here are some typical components we design, fabricate and install in our silos:

Nozzles (with flanges, elbows, couplings and more)

Ladders, radial and spiral stairways designs with handrail variations

Roof walkways, platforms and joining catwalks

Shell manways

Rectangular and circular hatches

Insulation rings

Lightning arrestors

Rescue davits

Piping supports, cable support trays, grounding lugs

In-house prefabrication and planning

Methodology

Planning is as important as the cutting, forming and welding operations. We minimize costly field hours and crane time by pre-fabricating applicable sections of your silo, bin, or hopper in our shop facilities. With our decades of experience in the erection business, we’ve seen firsthand how maintaining in-house services keeps costs in the field down.

Processing & Delivery

We’ve continuously invested in state-of-the-art equipment for our 200,000 square foot covered material processing plant. Located on a 10-acre property that is adjacent to the Welland Canal, and accessible by rail and roadway, we have the capability to fabricate and supply large orders in a short period of time.

Managed Services

Protective Coatings & Insulation

Silos stored products have potential for causing internal wear and corrosion.. We offer a variety of external coatings along with full or partial internal lining. We also offer additional corrosion options such as hot dip galvanizing, coating over galvanized components and fireproofing of structural structures.

Shop Pre-Coating

TIW can shop coat plates and appurtenances prior to shipping to site. This can help offset the high prices of field coating and help minimize open-air blasting which can be environmentally prohibited in some project locations.

Galvanizing

We provide galvanizing of various components – from nozzles, piping and support clips to stairways, handrails and platforms. In some cases, both galvanizing and coating are applied providing a superior protection.

Exterior Coatings

These coatings are applied to the exterior of the silo for corrosion protection and cosmetic appearance. Exterior surfaces are typically sand blasted to an SSPC-SP6 finish in preparation for coatings such as:

Insulation

When temperature control is required per design, TIW can supply and install a variety of mechanical insulation to meet the customer’s requirements. Insulation options can vary from the more common insulation batts with external cladding to prefabricated insulated panels. There are also different insulation and cladding material options.

Depending on design and temperature requirements, TIW can offer several insulation materials such as: